Subzero: Be more strict about i1 calculations.

src/IceGlobalContext.cpp

 //===- subzero/src/IceGlobalContext.cpp - Global context defs ---*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines aspects of the compilation that persist across
@@ skipping 272 matching lines @@
   }
 
   // Transform bar ==> Prefixbar
   //                   ^^^^^^
   return getTestPrefix() + Name;
 }
 
 GlobalContext::~GlobalContext() {}
 
 Constant *GlobalContext::getConstantInt(Type Ty, uint64_t ConstantInt64) {
+  if (Ty == IceType_i1)
+    ConstantInt64 &= UINT64_C(1);
   return ConstPool->Integers.getOrAdd(this, Ty, ConstantInt64);
 }
 
 Constant *GlobalContext::getConstantFloat(float ConstantFloat) {
   return ConstPool->Floats.getOrAdd(this, IceType_f32, ConstantFloat);
 }
 
 Constant *GlobalContext::getConstantDouble(double ConstantDouble) {
   return ConstPool->Doubles.getOrAdd(this, IceType_f64, ConstantDouble);
 }
@@ skipping 73 matching lines @@
 
 void Timer::printElapsedUs(GlobalContext *Ctx, const IceString &Tag) const {
   if (Ctx->isVerbose(IceV_Timing)) {
     // Prefixing with '#' allows timing strings to be included
     // without error in textual assembly output.
     Ctx->getStrDump() << "# " << getElapsedUs() << " usec " << Tag << "\n";
   }
 }
 
 } // end of namespace Ice